[vtk-developers] Python Wrapping Error

[Sankhesh Jhaveri]

Hello fellow developers,

Recently, I was running into a problem when building VTK with
VTK_WRAP_PYTHON checked.

CMake found the right python headers and library but build failed giving an
error -

[  9%] Building CXX object
Wrapping/Python/CMakeFiles/vtkPythonCore.dir/PyVTKObject.cxx.o
~/Projects/VTK/Source-correct-test-failures/Wrapping/Python/PyVTKObject.cxx:381:23:
error: expected primary-expression before ‘,’ token
~/Projects/VTK/Source-correct-test-failures/Wrapping/Python/PyVTKObject.cxx:381:25:
error: ‘vtk_weakreflist’ was not declared in this scope
~/Projects/VTK/Source-correct-test-failures/Wrapping/Python/PyVTKObject.cxx:381:40:
error: ‘offsetof’ was not declared in this scope
make[2]: ***
[Wrapping/Python/CMakeFiles/vtkPythonCore.dir/PyVTKObject.cxx.o] Error 1
make[1]: *** [Wrapping/Python/CMakeFiles/vtkPythonCore.dir/all] Error 2
make: *** [all] Error 2

I did some digging and found that adding #include <vtksys/cstddef> solved
the problem.

Is that a valid hack or is it something that I am overlooking?

Thanks,
Sankhesh
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